# How One Researcher Extracted Googles SynthID Codebook With 200 Black and White Images - Date: 2026-04-10 - Category: Artificial Intelligence A researcher extracted Googles invisible watermark codebook with 200 Gemini images and published a bypass that erases the provenance signal at 43+ dB PSNR. Every workflow built on SynthID detection now has an unreliable tool with an open-source exploit. ---